8.5 GHz to 13.5 GHz,

GaAs, MMIC, I/Q Mixer

Data Sheet

HMC521ALC4

Rev. 0

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FEATURES

Downconverter, 8.5 GHz to 13.5 GHz

Conversion loss: 9 dB typical

Image rejection: 27.5 dBc typical

LO to RF isolation: 39 dB typical

Input IP3: 16 dBm typical

Wide IF bandwidth: dc to 3.5 GHz

3.9 mm × 3.9 mm, 24-terminal LCC package: 16 mm²

APPLICATIONS

Microwave and very small aperture terminal (VSAT) radios

Test equipment

Military electronic warfare (EW); electronic

countermeasure (ECM); and command, control,

communications, and intelligence (C3I)

FUNCTIONAL BLOCK DIAGRAM

13

1

3

4

2

NIC

NIC

GND

RF

5

6

GND

NIC

NIC

14 GND

15 LO

16 GND

17 NIC

18 NIC

GND

PACKAGE

BASE

90° HYBRID

HMC521ALC4

Figure 1.

GENERAL DESCRIPTION

The HMC521ALC4 is a compact, gallium arsenide (GaAs),

monolithic microwave integrated circuit (MMIC), inphase

quadrature (I/Q) mixer in a RoHS compliant, 24-terminal

ceramic leadless chip carrier (LCC) package. This device can be

used as either an image reject mixer or a single sideband

upconverter. The mixer uses two standard, double balanced

mixer cells and a 90° hybrid coupler fabricated in a GaAs, metal

semiconductor field effect transistor (MESFET) process. A low

frequency quadrature hybrid produces a 100 MHz intermediate

frequency (IF) output. This device is a smaller alternative to

hybrid style image reject mixers and single sideband upconverter

assemblies. The HMC521ALC4 eliminates the need for wire

bonding, allowing use of surface-mount manufacturing

techniques.